俺たちのKotlinが AndroidにJava8が来たくらいでいらない子になるわけがない!

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Զͨͪͷ,PUMJO͕ "OESPJEʹ+BWB͕དྷͨ͘Β͍Ͱ ͍Βͳ͍ࢠʹͳΔΘ͚͕ͳ͍ʂ !LJSJNJO

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ˏLJSJNJO

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ˏLJSJNJO ,PUMJOྺ

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ˏLJSJNJO ,PUMJOྺ ϲ݄͘Β͍

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ˏLJSJNJO ,PUMJO࣮຿ܦݧ

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ˏLJSJNJO ,PUMJO࣮຿ܦݧ ೔

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No content

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৬৔Ͱͷ ,PUMJOͷѻ͍

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ʮ4XJGUਪਐͯ͠ߦͧ͘ʂʯ

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ʮ4XJGUਪਐͯ͠ߦͧ͘ʂʯ ʮ͡Ό͋"OESPJE͸,PUMJOͰ͢Ͷʂʯ

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ʮ4XJGUਪਐͯ͠ߦͧ͘ʂʯ ʮ͡Ό͋"OESPJE͸,PUMJOͰ͢Ͷʂʯ ʮ Ұಉস͍ ʯ

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খਮͳδϣʔΫѻ͍ʂʂ

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Ͳ͏ʹ͔͠ͳ͍ͱʜ

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2,PUMJOͬͯ΋͠ "OESPJEʹ+BWB͕དྷͨΒ ΦϫίϯͳΜͰ͠ΐʁ

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2,PUMJOͬͯ΋͠ "OESPJEʹ+BWB͕དྷͨΒ ΦϫίϯͳΜͰ͠ΐʁ "ҧ͏Αɻશવҧ͏Αɻ

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+BWBͷ৽ػೳͱ ,PUMJOͰग़དྷΔࣄ͸ ࣅͯΔ͚Ͳ݁ߏҧ͏

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0QUJPOBM

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+BWBͰͷ0QUJPOBM w ͋͘·Ͱ+BWBͳͷͰجຊ͸/VMMBCMF w OVMMͷՄೳੑΛ໌ࣔͯ҆͠શʹѻ͍͍ͨ࣌ʹ͸ 0QUJPOBM͕࢖͑Δ w ΋ͪΖΜ0QUJPOBMܕ͡Όͳͯ͘΋OVMM͸ೖΔ w 0QUJPOBMͷએݴ΍ૢ࡞ͷॻ͖ํ͕ͪΐͬͱ৑௕

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+BWBͰͷ0QUJPOBM ී௨ͷม਺ 4USJOHTUSlTUSz TUSOVMM 0QUJPOBMͰOVMMՄೳੑΛ໌ࣔ 0QUJPOBM4USJOHTUS0QU0QUJPOBMPG/VMMBCMF HFU4US 0QUJPOBMͷૢ࡞ JOUMFOTUS0QUNBQ TUSTUSMFOHUI PS&MTF

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,PUMJOͰͷ0QUJPOBM w ݴޠ࢓༷ͱͯ͠ͷ/VMMBCMFܕͱඇ/VMMܕ w OVMMͷՄೳੑ͕͋Δ஋͕શͯ/VMMBCMFܕʹͳΔͨ Ίɺ҆શͳѻ͍Λڧ੍ग़དྷΔ w ී௨ʹม਺Λఆٛ͢ΔͱOVMMΛڐ༰͠ͳ͍ܕʹͳΔ w ΤϧϏεԋࢉࢠͳͲ/VMMBCMFܕΛศརʹѻ͏ͨΊͷ ه๏΋๛෋ʹ༻ҙ͞Ε͍ͯΔ

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,PUMJOͰͷ0QUJPOBM ී௨ͷม਺ OVMM͸ೖΒͳ͍ WBSTUSlOPU/VMMz TUSOVMM ͰOVMMՄೳੑΛ໌ࣔ WBSTUS4USJOH HFU4US OVMMBCMFͷૢ࡞ WBSMFOTUS MFOHUI

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ϥϜμࣜ

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+BWBͰͷϥϜμࣜ BQJSFRVFTU VSM SFTVMU DPEF \ 4ZTUFNPVUQSJOU DPEFlzSFTVMU ^ +BWBͳΒϥϜμࣜ΋ॻ͚Δʂʂʂʂ

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+BWBͰͷϥϜμࣜ QVCMJDWPJESFRVFTU 4USJOHVSM #J$POTVNFS4USJOH *OUFHFSDBMMCBDL \ DBMMCBDLBDDFQU lPLz ^ એݴଆ

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+BWBͰͷϥϜμࣜ w ਖ਼ମ͸ಗ໊Ϋϥε w ؔ਺ܕΠϯλʔϑΣΠε͕ඪ४Ͱͨ͘͞Μ༻ҙ͞Εͯ ͍ΔͷͰͦΕΒΛબΜͰ࢖͏ελΠϧ w ΋͘͠͸ैདྷ௨Γࣗ෼ͰΠϯλʔϑΣΠεΛఆٛ

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+BWBͰͷϥϜμࣜ 3VOOBCMF 4VQQMJFS5 $POTVNFS5 #JDPOTVNFS5 6 'VODUJPO5 3 #J'VODUJPO5 6 3 6OBSZ0QFSBUPS5 ʜ ඪ४Ͱ༻ҙ͞Εͨେྔͷؔ਺ܕΠϯλʔϑΣΠε

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,PUMJOͰͷϥϜμࣜ BQJSFRVFTU VSM \SFTVMU DPEF QSJOUMO DPEFSFTVMU ^ ,PUMJOͰ΋ϥϜμ͕ࣜॻ͚ΔΑ

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,PUMJOͰͷϥϜμࣜ QVCMJDGVOSFRVFTU VSM4USJOH DBMMCBDL SFTVMU4USJOH DPEF*OU 6OJU \ DBMMCBDL lPLz ^ ,PUMJOͳΒҾ਺ʹؔ਺Λड͚औΕΔʂ

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,PUMJOͰͷϥϜμࣜ w ߴ֊ؔ਺͕࢖͑ͯ௚ײత w ΋͏ίʔϧόοΫ༻ΠϯλʔϑΣΠε͸ෆཁ w ΋ͪΖΜؔ਺ܕΠϯλʔϑΣΠε΋+BWBͱಉ͡ Α͏ʹϥϜμࣜͰॻ͚Δ 4".ม׵

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Ϧετૢ࡞ 4USFBN

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+BWBͰͷϦετૢ࡞ Լ४උ -JTU4USJOHTUSTOFX"SSBZ-JTU TUSTBEE lBz TUSTBEE lCz TUSTBEE lDz 4USFBNʹม׵ͯ͠ૢ࡞ -JTU4USJOHOFX4USTTUSTTUSFBN NBQ 4USJOHUP6QQFS$BTF pMUFS TUSTUSFRVBMT lCz DPMMFDU $PMMFDUPSTUP-JTU +BWBͰ͸4USFBN͕࢖͑·͢

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+BWBͰͷϦετૢ࡞ w 4USFBN͕࢖͑Δ w Ϧετૢ࡞Λ͢Δ͚ͩͳΒ4USFBNʹม׵ͯ͠ૢ ࡞͢Δͷ͸໘౗ w جຊσʔλܕ͸4USFBNͷछྨ͕ҧ͏ɹɹɹ NBQ NBQ5P*OU NBQ5P%PVCMFʜ w ༻ҙ͞Ε͍ͯΔϦετૢ࡞༻ؔ਺͸ͦΕ΄Ͳଟ͘ ͳ͍

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,PUMJOͰͷϦετૢ࡞ Լ४උ WBMTUSTBSSBZ-JTU0G lBz lCz lDz ͦͷ··Ϧετૢ࡞ WBMOFX4USTTUST NBQ 4USJOHUP6QQFS$BTF pMUFS\TUSTUSlCz^ ,PUMJOͳΒ*UFSBUPSʹߴ֊ؔ਺͕ੜ͑ͯΔ

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,PUMJOͰͷϦετૢ࡞ w ֦ுؔ਺Ͱ*UFSBUPSʹϦετૢ࡞༻ͷߴ֊ؔ਺͕ɹ ௚઀ੜ͑ͯΔ w 4USFBN΍3YΑΓ΋ؾܰʹϦετૢ࡞͕ॻ͚Δʂ w γϯϓϧͳϦετૢ࡞ͷͨΊʹ༻ҙ͞Εͨͨ͘͞Μ ͷߴ֊ؔ਺ʂʂ w ஍ຯʹศརͳGPS&BDI*OEFYFE\*OU 4USJOH^ ؔ਺΋͋ΔΑ